Supercomputer cybersecurity fixes

close up worker writing info supercomputer cybersecurity dangers unsecured network technician server farm invulnerable virus attacks electronics african american server data center high tech technology database maintenance engineer admin equipment backup firewall denial of service attack ddos cybercriminal security malicious traffic audit rootkit secure intrusion detection threats unauthorized access vulnerabilities safe hacker privacy safety encryption protect software hacking antivirus defense malware ransomware cyber attack spyware protection safeguard phishing